get_api_endpoint_schema

THE RISK

Low Risk

Why get_api_endpoint_schema needs a policy

This tool retrieves schema information for API documentation purposes. It performs a read-only query operation that returns structural metadata without creating, modifying, deleting, or executing any financial or destructive actions. The blast radius is minimal—incorrect schema information might cause downstream errors, but the tool itself cannot execute transactions, move funds, or alter state.

From the tool's definition Tool name 'get_api_endpoint_schema' and description 'Get the schema for an endpoint in the HIVE API' indicate retrieval of metadata/documentation about API endpoints with no modification or execution of operations.

Documented attack patterns abuse exactly the kind of access get_api_endpoint_schema gives an agent:

POLICY

How to control get_api_endpoint_schema

PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_api_endpoint_schema:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_api_endpoint_schema": {}
  }
}

get_api_endpoint_schema is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Sperax Ecosystem Crypto & DeFI MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
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FAQ

Questions about get_api_endpoint_schema

What does the get_api_endpoint_schema tool do? +

Get the schema for an endpoint in the HIVE API. You can use the schema returned by this tool to call an endpoint with the. It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_api_endpoint_schema? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for get_api_endpoint_schema: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.

What risk level is get_api_endpoint_schema? +

get_api_endpoint_schema is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_api_endpoint_schema? +

Yes. Add a rate_limit block to the get_api_endpoint_schema rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block get_api_endpoint_schema completely? +

Set action: deny in the PolicyLayer policy for get_api_endpoint_schema. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides get_api_endpoint_schema? +

get_api_endpoint_schema is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sperax Ecosystem Crypto & DeFI MCP Server tool call.

Start from Sperax Ecosystem Crypto & DeFI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →